Some Remarks on the Effect of Interphases on the Mechanical Response and Stability of Fiber-Reinforced Elastomers

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Some Remarks on the Effect of Interphases on the Mechanical Response and Stability of Fiber-Reinforced Elastomers

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Title: Some Remarks on the Effect of Interphases on the Mechanical Response and Stability of Fiber-Reinforced Elastomers
Author: Bertoldi, Katia; Lopez-Pamies, Oscar

Note: Order does not necessarily reflect citation order of authors.

Citation: Bertoldi, Katia, and Oscar Lopez-Pamies. 2012. Some remarks on the effect of interphases on the mechanical response and stability of fiber-reinforced elastomers. Journal of Applied Mechanics 79(3): 031023.
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Abstract: In filled elastomers, the mechanical behavior of the material surrounding the fillers — termed interphasial material — can be significantly different (softer or stiffer) from the bulk behavior of the elastomeric matrix. In this paper, motivated by recent experiments, we study the effect that such interphases can have on the mechanical response and stability of fiber-reinforced elastomers at large deformations. We work out in particular analytical solutions for the overall response and onset of microscopic and macroscopic instabilities in axially stretched 2D fiber-reinforced non-linear elastic solids. These solutions generalize the classical results of Rosen (1965) and Triantafyllidis and Maker (1985) for materials without interphases. It is found that while the presence of interphases does not significantly affect the overall axial response of fiber-reinforced materials, it can have a drastic effect on their stability.
Published Version: doi:10.1115/1.4006024
Other Sources: http://scholar.harvard.edu/files/bertoldi/files/jam2012.pdf
Terms of Use: This article is made available under the terms and conditions applicable to Open Access Policy Articles, as set forth at http://nrs.harvard.edu/urn-3:HUL.InstRepos:dash.current.terms-of-use#OAP
Citable link to this page: http://nrs.harvard.edu/urn-3:HUL.InstRepos:11084547
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